1: r1369:633e032a3b4b: Waqas Hussain: stanza_router: Skip prepping 'from' on c2s origins - #optimization +280 stanzas/sec

2: r1370:3a467e6885f0: Waqas Hussain: stanza_router: Skip prepping 'to' in many common cases - #optimization +292 stanzas/sec

3: r1374:e85726d084d6: Tobias Markmann: Adding COMPAT comment. -584 stanzas/sec

4: r1377:ae88b9dc7890: Matthew Wild: Merge with Tobias +578 stanzas/sec

5: r1416:f916f0ff90e5: Waqas Hussain: util.stanza: Rewrote stanza_mt.__tostring. 20-30% faster stanza serialization. - #optimization +91 stanzas/sec